Polygonal impact craters (PICs) are supposed to form as a result of impacts into structure systems within the target. The an umbrella term which encompass faults, joints, fractures, lithographic boundaries, and other planes weakness. These defined having at least two linear rim segments with recognizable angle between segments. PICs have been reported on both rocky icy bodies including Ceres. U...

INTRODUCTION The authors present IR spectra (0.9–2.5 μm) and narrowband photometry (3.0–3.5 μm) for low-albedo asteroids Ceres, Pallas, and Bamberga. The authors compare the major mineral absorption features to those found in primary carbonaceous chondrite matrix material (CCMM) and secondary alteration products. The observed differences between spectral reflectances between the three C-type as...

[1] We describe a method that retrieves surface photosynthetically active radiation (PAR) and its direct and diffuse components from the Surface and Atmospheric Radiation Budget (SARB) product of Clouds and the Earth’s Radiant Energy System (CERES). The shortwave spectrum in the SARB Edition 2 is calculated in 15 bands, 4 of which are used to develop the PAR, in conjunction with the look-up tab...

The CERES-Maize model was developed to investigate how variations in environmental conditions, management decisions, and genetics interact to a€ect crop development and growth. A tile drainage subroutine was incorporated into CERES-Maize to improve soil-water and nitrogen leaching under subsurface tile drainage conditions. The purpose of this work was to evaluate the soil-water, soil-nitrogen, ...

The radiation budget at the top of the atmosphere (TOA) is a quantity of fundamental importance to the Atmospheric Radiation Measurement (ARM) Program. Thus, it is necessary to measure the radiation budget components, broadband shortwave (SW) albedo and outgoing longwave radiation, as accurately as possible. Measurement of TOA broadband albedos over the ARM surface sites has only been possible ...

Historiador e professor de História. Atualmente é Professor do Departamento História CERES, da Universidade Federal Rio Grande Norte, lecionando no Campus Caicó. Atua como Permanente Programa Pós-Graduação em CERES-UFRN/Mestrado dos Sertões Colaborador PósGraduação CCHLAUFRN/Mestrado Espaços. É participante Rede Grupos Pesquisa Escravidão Mestiçagens. Seus interesses pesquisa estão ligados à Se...

The Dwarf Planet Ceres revealed the presence of ammonia and other unique properties compared to asteroids in main belt which suggests that it was not formed situ. We model early dynamical evolution outer Solar System study possible mechanisms implant a Ceres-sized planetesimal asteroid from trans-Saturnian region. calculate fraction population planetesimals are captured is range 2.8e-5 1.2e-3 d...

Low-albedo asteroids preserve a record of the primordial solar system planetesimals and conditions in which nebula was active. However, origin evolution these are not well-constrained. Here we measured visible near-infrared (0.5 - 4.0 microns) spectra low-albedo mid-outer main belt. We show that numerous large (d > 100 km) dark (geometric albedo < 0.09) exterior to dwarf planet Ceres' orbit sha...

The CERES/NA45 experiment measures low mass electron pair production in Pb-Au collisions at 158AGeV at the CERN SPS. In this paper, we present the electron pair enhancement in the mass range 0:2 < mee < 0:7 GeV/c 2 , it increases more than linear with charged multiplicity and is most pronounced at low pair pT < 0:5 GeV/c. Transverse mass and rapidity distributions for charged hadrons h + ? h ? ...